import { NzMessageService } from 'ng-zorro-antd/message';
import { NzNotificationService } from 'ng-zorro-antd/notification';
export declare class GnMessageService {
    private messageService;
    private notificationService;
    constructor(messageService: NzMessageService, notificationService: NzNotificationService);
    success(content: string): void;
    error(content: string): void;
    warn(content: string): void;
    clean(): void;
}